Output:
frameworks/base/packages/SystemUI/src/com/android/systemui/theme/ThemeOverlayController.java:263: error: variable mUserTracker is already defined in class ThemeOverlayControll
er
    private CurrentUserTracker mUserTracker;
                               ^
frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/policy/MobileSignalController.java:675: error: cannot find symbol
            int typeIcon = ((showDataIcon || mConfig.alwaysShowDataRatIcon) && getVolteResId() == 0) ? icons.dataType : 0;
                                                                               ^
  symbol:   method getVolteResId()
  location: class MobileSignalController
frameworks/base/packages/SystemUI/src/com/android/systemui/theme/ThemeOverlayController.java:428: error: incompatible types: <anonymous CurrentUserTracker> cannot be converted
 to UserTracker
                mUserTracker = new CurrentUserTracker(mBroadcastDispatcher) {
                               ^
frameworks/base/packages/SystemUI/src/com/android/systemui/theme/ThemeOverlayController.java:435: error: cannot find symbol
        mUserTracker.startTracking();
                    ^
  symbol:   method startTracking()
  location: variable mUserTracker of type UserTracker
4 errors